Razor-stropper.



C. F. LBFEVER.

' RAZOR STROPPBR.

APPLICATION FILED JULY 14, 1913.

lmgmmi v Patented May 5 1914.

WITNESSES: I JNI/EIVTOR 50 presser-plate3 is UNITED sTATEsBigENT OFFICE.

CHARLES F. LEFEVER, F PLYMOUTH, MICHIGAN, ASSIGN 'OR, TO DAISY MANUFAC- TURINGCOMPANY, 0E PLYMOUTH, MICHIGAN, A CORPORATION OF MICHIGAN.

RAZOR-STROPPER.

To all whom it may concern:

Be it known that I, CHARLES Lnrnvnn, a citizen of the United States, and a resident of Plymouth, in the county of Wayne and State of Michigan, have invented a new and Improved Razor-Stropper, of which the following is a specification.

This invention relates to machines for holding razor blades while they are be ng stropped, and its object is to provide a simple, practical and eflicient stropper which will positivelyretain the blades between the jaws of the blade holder while the blades are being stropped, and from which the blades can be removed without danger of cutting the user.

This invention consists in combination with a handle and-3a frame mounted on the handle, of a pair of jaws pivoted tosaid "framc, and blade retaining devices mounted between said jaws.

In the accompanying drawings Figure 1 is a side elevation of this improved stropping machine in connection with a razor strop. 2 is a rear elevation of the same. Fig. 3 is a front elevation with the holder opened'to show the blade retaining devices. Fig. 4 is a vertical section on the line 4 4 of Fig. 3. Fig. 5 is a perspective on a somewhat larger scale showing a blade retainer.

Similar reference characters refer to like parts throughout the several views.

In most stropping machines for the blades of safety razors, reliance is placed upon the friction between the grippers or aws of the holder and the blade to retain theblades in position, which friction depends upon the stiffness of these jaws. This necessitates either a considerable amount of metal in the holder or the use of extremely rigid and h' hdi t "al 1g price na e11. I

In the present construction, auxiliary retainers are mounted between the aws of the blade holder, which retainers will secure the blades in position without the necessity of any undue stress being placed on the holder.

In the accompanying drawings 1 is the baseof a small frame having sides 2. A provided with side fingers 4 which extend outwardly on both edges of the sides 2 of the frame, asshown' in Figs.

1 and 2' Downwardly extending stems 5 plate 3. upward against the strop 7 that, extends through the' frame between the presser-plate and the. roller 8, which has journals on its ends that are revoluble iii bearings in thesides 2 ofthe frame. On one of the journals of this roller 8 ismounted a small gear 9 which meshes with a gear 10 on a shaft 11. Rigidl'y secured to this shaft 11 is the jaw 12 of the blade holder, whose inner side is shown in Fig. 3. spring 22 on this shaft engages this'fijaw 12 and also the pivotally mounted blade jaw the position shown in dotted lines in Fig. 4:, that is, substantially at right. angles to the jaw 12. Pivoted to the'jaw 12 are small latches 14 which are adapted to be swung up and to engage the convex portions 15 of the two jaws in order to hold them in proper position when a blade 26 is placed between the jaws. I 1

Retainers 16 having slots 17 through which the headed pins 18 extend are mounted on the jaw 12 as shown in Fig. '3. These retainers have forwardly extending hooks 19 and small rearwardly extending fingers 20, as shown in Fig; 5, adapted to extend through the small holes 21 in the jaw 12, by which means the hooks 19 are positively positioned. In dotted lines in Fig. 3 a safety razor blade 26 is shown which is provided with holes through which the hooks 19 may extend.

When it is desired to use this stropping machine, the latches 14 are swung back to the position shown in Fig. 3, permitting the jaw 13 to swing forward. The retainers 16 are then placed in' proper position so that the hooks 19 will be spaced so that they will pass through the holes in the blade of the safety razor. By moving the retainers downward, the fingers 20 can be withdrawn from the holes 21, whereupon the retainer to space the hodks l9 properly for any other i razor blade. After being so positioned, the i retainers are pushed upwardly so that the l fingers 20 will engage in the proper holes 21.

Patented. May 5, 1914.

13, and normally tends to hold the jaw 13 in can be swung to any other desired position l After the blade has been placed over the hooks, the jaw 13 is swung back as shown in jFig. at, and the latches lei swung up as shown in Fig. 2. The strop may he slipped through between the presser-plate 3 and the extend through the base 1 and small springs roller. 8 either before or after? the blade is 55 6 on these stems normally urge the presserpositioned.

- 11, where they Many blades on the market are formed with enlargementsgalong the rear edges, whlch enlargements may be integral with 'the blades or be separate therefrom but secorners of other.-,blades on the market. It will therefore be seen that by forming the jaws with a series of small holes 21 to re ceive the fingers 20 of the retainers, this stropper can be adjusted to properly hold substantially all the safetyrazor blades now on the market;

The frame comprising the base 1 'and sides 2 may be attached to a handle 23 in any desired manner. One method is illustrated in the drawings, where portions of the base 1 of the frame are bent out so as to form loops 24: and 25 to receive a pin 82. A fiat piece of metal 27 is bent to form parallel sides with a loop-in the outer end, and this holder may be slipped over the pin 32 before the presser-plate 3 and the roller 8 and shaftll are put in position. A handle 23 is then forced onto this doubled bar 27 and the frame will be held i proper position.

I claim.

1. In a stropping machine for razor blades, the pombination with a frame comprising a base and sides, a shaft mounted in said sides, a jaw secured to said shaft and having aseries of holesna pair of blade retainers pivotally secured at one end to said jaw and having fingers at their free ends adapted to engage in said holes to position the retainers and having hooks adjacent the fingers adapted to engage razor blades, a

' secondjaw pivotally mounted on said shaft,

and means to secure the jaws together.

2. In a stropping machine for razor blades, the combination. with a frame comprisinga base and sides, a shaft mounted in said sides, a jaw secured to said shaft and the retainers having a series of holes, a pair of blade retainers pivotally secured at one end to said aw and having fingers at theirfree ends adapted to engage in said holes to position having hooks adjacent the the retainers and fingers'adapted to engage razor blades, a second jaw pivotally mounted on saidshaft, a spring to normally hold said jaws separated, and means to secure the jaws together.

3. In a stropping machine for razor blades, the combination with a frame co1nprising a base and sides, a shaft mounted in said sides, a jaw secured to said shaft and having a series of holes, a pair of blade retainers pivotally .secured at. one end to said jaw and having fingers at their free ends adapted to engage in said holes to position and having hooks adjacent the fingers adapted toengage razor blades, a second jaw pivotally mounted on said shaft, and latches to secure the jaws together.

4c. In a stropping machine for razor blades, the combination of a frame, a shaft mounted therein, a pair of jaws on said shaft constituting a blade holder, and blade retainers adjustably mounted between the jaws and having hooks to engage the blades.

5. In a stropping machine for razor blades, the combination of aframe, a shaft mounted therein, a pair of jaws on said shaft constituting a blade holder, blade rctainers adjustably mounted between the jaws and having hooks to engage theblades;

and means to secure the jaws togetlfer to hold the razor blade in proper position.

, (3. In a stropping machine for razor blades, the combination of a frame, a pair of jaws pivotallymounted therein and constituting a blade holder, one of the jaws having a series of perforations, blade retainers pivoted at one end to the inner fac'eo'f said perforated jaw and having fingers which are adapted to engage in the perforations, and means to secure the jaws '-"ogether with a blade between them.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

CHARLES F. LEFEVE'R.

lVitnesses E. C, HoUoH, W. B. LOMBARD. 

